Official NHA Assessment

Race 2: WSB.CO.ZA MAIDEN PLATE (For all Maidens)

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Line Horse
Emoyeni
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
3 / 8
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    City Of Love         2    57.0    1    0.00     1.5   -     66           6     +6
2    Emoyeni              3    60.0    2    2.20     2.5   70    70           70    +0
3    Queen Fenn           3    53.5    3    3.60     2.5   69    57           59    -10
4    Captainship          3    60.0    4    3.65     2.5   73    70           70    -3
5    Gorgeous Bomb        3    57.5    5    3.85     2.5   -     65           65    +65
6    Vhagar               2    60.0    6    10.25    1.5   -     72           72    +72
99   Axis Power           3    60.0    99   0.00     2.5   -     70           70    +0
99   Priory Terrace       3    57.5    99   0.00     2.5   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 City Of Love - 85 6 +79 1.5 -
2 Emoyeni Line 70 63 70 -7 2.5
3 Queen Fenn 69 67 59 +8 2.5 -
4 Captainship 73 67 70 -3 2.5 -
5 Gorgeous Bomb - 62 65 -3 2.5 -
6 Vhagar - 71 72 -1 1.5 -
99 Axis Power - 68 70 -2 2.5 -
99 Priory Terrace - 66 65 +1 2.5 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points